According to the definition of mechanical work, pushing on a rock accomplishes no work unless there is

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?